tmpfs: listxattr should include POSIX ACL xattrs

When a file on tmpfs has an ACL or a Default ACL, listxattr should include the
corresponding xattr name.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Reviewed-by: James Morris <james.l.morris@oracle.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: linux-mm@kvack.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/kernfs/inode.c b/fs/kernfs/inode.c
index f97e1f7..16405ae 100644
--- a/fs/kernfs/inode.c
+++ b/fs/kernfs/inode.c
@@ -230,7 +230,7 @@
 	if (!attrs)
 		return -ENOMEM;
 
-	return simple_xattr_list(&attrs->xattrs, buf, size);
+	return simple_xattr_list(d_inode(dentry), &attrs->xattrs, buf, size);
 }
 
 static inline void set_default_inode_attr(struct inode *inode, umode_t mode)